114 Fl 289
Flerovium
Post-Transition Metal
Flerovium (Fl) is a chemical element with atomic number 114, classified as a post-transition metal. At room temperature it is a solid. It was discovered in 1998 by JINR / Lawrence Livermore.
Properties
- Atomic number
- 114
- Atomic mass
- 289 u
- Category
- Post-Transition Metal
- Group
- 14
- Period
- 7
- Block
- p-block
- Electron configuration
- [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
- Phase at STP
- Solid
- Density
- 14 g/cm³
- Melting point
- —
- Boiling point
- 210 K (-63.1 °C)
- Electronegativity
- —
- Atomic radius
- —
- Ionization energy
- —
- Discovery
- 1998 · JINR / Lawrence Livermore
Common uses
Research only
Did you know?
Named after Georgy Flyorov and may behave like a noble gas.